Knaack Manufacturing Company
Patent Applications and Registrations
Patent applications and USPTO patent grants for Knaack Manufacturing Company.The latest application filed is for "system and method of vehicle upfit".
- Knaack Manufacturing Company - Crystal Lake IL
- Knaack Manufacturing Co. - Crystal Lake IL
- Knaack Manufacturing Company -
- Knaack Manufacturing Company - N/A
Trademarks
| Patent | Date |
|---|---|
| Door for truck underbed box Grant D535,235 - Saigal , et al. January 16, 2 | 2007-01-16 |
| Pushbutton lock Grant D532,674 - Schwalie , et al. November 28, 2 | 2006-11-28 |
| System and method of vehicle upfit App 20060106634 - Brauer; Blackford F. ; et al. | 2006-05-18 |
| Truck box with reduced clearance cover and access for electrical cord passthrough App 20060076793 - Schwalie; Tom ; et al. | 2006-04-13 |
| Storage cabinet with latching mechanism App 20060022561 - Bidinger; Barry ; et al. | 2006-02-02 |
| Headache rack for pickup trucks Grant 6,983,968 - Brauer , et al. January 10, 2 | 2006-01-10 |
| Device and method for opening a door Grant 6,883,274 - Webb , et al. April 26, 2 | 2005-04-26 |
| Lock system for a horizontal locking box Grant 6,772,613 - Webb , et al. August 10, 2 | 2004-08-10 |
| Lock system for a horizontal locking box App 20030233856 - Webb, Freddie C. ; et al. | 2003-12-25 |
| Push-button lock system Grant 5,308,126 - Weger, Jr. , et al. May 3, 1 | 1994-05-03 |
| Ladder rack support Grant D346,355 - Weger, Jr. , et al. April 26, 1 | 1994-04-26 |
| Lock system Grant 5,076,078 - Weger, Jr. December 31, 1 | 1991-12-31 |
| Interlocking seal for insulated panels Grant 4,635,422 - Nowack , et al. January 13, 1 | 1987-01-13 |
| Vehicle storage drawer unit Grant 4,573,731 - Knaack , et al. March 4, 1 | 1986-03-04 |
| Truck rack Grant 4,509,787 - Knaack , et al. April 9, 1 | 1985-04-09 |
| Storage box closure control Grant 4,383,721 - Knaack , et al. May 17, 1 | 1983-05-17 |
| Lock system Grant 4,290,281 - Knaack , et al. September 22, 1 | 1981-09-22 |
| Storage cabinet Grant 4,288,134 - Knaack , et al. September 8, 1 | 1981-09-08 |
| Storage cabinet or similar article Grant D260,062 - Knaack , et al. August 4, 1 | 1981-08-04 |
| Padlock Protection System Grant 3,727,438 - Knaack April 17, 1 | 1973-04-17 |
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