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Patent applications and USPTO patent grants for Theobald; David R..The latest application filed is for "medical injection system and method, gas spring thereof and launching device using gas spring".
Patent | Date |
---|---|
Medical injection system and method, gas spring thereof and launching device using gas spring Grant 5,599,302 - Lilley , et al. February 4, 1 | 1997-02-04 |
Gun sight mounts Grant 5,425,191 - Taylor , et al. June 20, 1 | 1995-06-20 |
Gas spring airgun Grant 5,193,517 - Taylor , et al. March 16, 1 | 1993-03-16 |
Firing mechanisms for air weapons Grant 4,850,329 - Taylor , et al. July 25, 1 | 1989-07-25 |
Air weapon with air compression system having grooves for air transfer Grant 4,771,758 - Taylor , et al. September 20, 1 | 1988-09-20 |
Air weapon with gas-tight expansion chamber Grant 4,709,686 - Taylor , et al. December 1, 1 | 1987-12-01 |
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