Johnson; Clifford C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnson; Clifford C..The latest application filed is for "bore path alignment system".
- Johnson; Clifford C. - Mandan ND
- Johnson; Clifford C. - Arlington Heights IL
- Johnson; Clifford C. - Wheeling IL
| Patent | Date |
|---|---|
| Hydraulic stroke measuring system Grant 6,946,968 - Johnson September 20, 2 | 2005-09-20 |
| Bore path alignment system Grant 6,487,781 - Johnson December 3, 2 | 2002-12-03 |
| Bore path alignment system App 20020138994 - Johnson, Clifford C. | 2002-10-03 |
| Apparatus for photo-curing of dental restorative materials Grant 4,445,858 - Johnson May 1, 1 | 1984-05-01 |
| Timing apparatus including electronic calculator circuits Grant 4,025,774 - Johnson , et al. May 24, 1 | 1977-05-24 |
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