Barr; Irwin R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Barr; Irwin R..The latest application filed is for "articulated heart pump and method of use".
- Barr; Irwin R. - Sparks MD
- Barr; Irwin R. - Baltimore County MD
- Barr; Irwin R. - Kingsville MD
- Barr; Irwin R. - Lutherville MD
- Barr; Irwin R. - Baltimore MD
| Patent | Date |
|---|---|
| Articulated heart pump and method of use Grant 5,405,383 - Barr April 11, 1 | 1995-04-11 |
| Remote steering system for medical catheter Grant 5,279,559 - Barr January 18, 1 | 1994-01-18 |
| Solar energy concentrating and collecting arrangement Grant 4,602,613 - Barr July 29, 1 | 1986-07-29 |
| Warhead Grant 4,147,108 - Gore , et al. April 3, 1 | 1979-04-03 |
| Reflector concentrator useful for solar energy Grant D249,962 - Barr October 17, 1 | 1978-10-17 |
| Building structure Grant D249,555 - Barr September 19, 1 | 1978-09-19 |
| Building structure Grant D249,557 - Barr September 19, 1 | 1978-09-19 |
| Building structure Grant D249,556 - Barr September 19, 1 | 1978-09-19 |
| Solar energy concentrating and collecting arrangement and method Grant 4,111,360 - Barr September 5, 1 | 1978-09-05 |
| Method of assembly of an insulating panel arrangement Grant 4,094,717 - Barr June 13, 1 | 1978-06-13 |
| Combined supported reflector and arm-supported beam, useful for solar buildings and the like Grant D245,015 - Barr July 12, 1 | 1977-07-12 |
| Combined reflector and arm-supported beam, useful for solar building and the like Grant D245,016 - Barr July 12, 1 | 1977-07-12 |
| Solar energy collection and transfer arrangement and method, and method of assembly Grant 4,018,211 - Barr April 19, 1 | 1977-04-19 |
| Solar energy concentrating and collecting arrangement with sun-follower and solar energy sensing power control and method Grant 4,004,574 - Barr January 25, 1 | 1977-01-25 |
| Deterrent ammunition projectile Grant 3,911,824 - Barr , et al. October 14, 1 | 1975-10-14 |
| Deterrent ammunition Grant 3,894,492 - Barr , et al. July 15, 1 | 1975-07-15 |
| Primer Grant 3,877,375 - Barr April 15, 1 | 1975-04-15 |
| Deterrent Ammunition Projectile Grant 3,865,038 - Barr February 11, 1 | 1975-02-11 |
| Practice Ammunition Grant 3,785,293 - Barr , et al. January 15, 1 | 1974-01-15 |
| Piston Primer Cartridge With Improved One Piece Primer Grant 3,744,420 - Barr July 10, 1 | 1973-07-10 |
| Inertia Actuated Cartridge Retaining Latches Grant 3,680,240 - Barr , et al. August 1, 1 | 1972-08-01 |
| Frangible Filled-projectile Ammunition Grant 3,650,213 - Abbott , et al. March 21, 1 | 1972-03-21 |
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