| 5545147 |
Anti-backup improvement for hypodermic syringes |
— |
1996-08-13 |
| 5454786 |
Cartridge assembly for a lyophilized compound forming a disposable portion of an injector pen and method for same |
— |
1995-10-03 |
| 5391157 |
End of dose indicator |
John S. Ploof |
1995-02-21 |
| 5334162 |
Cartridge assembly for a lyophilized compound forming a disposable portion of an injector pen and method for same |
— |
1994-08-02 |
| 5308340 |
Multiple dose injection pen |
— |
1994-05-03 |
| 5295976 |
Dose indicating injection pen |
— |
1994-03-22 |
| 5228883 |
Portable drug delivery system |
David C. Blakely |
1993-07-20 |
| 5226896 |
Dose indicating injection pen |
— |
1993-07-13 |
| 5226895 |
Multiple dose injection pen |
— |
1993-07-13 |
| 4981468 |
Delivery device for orally administered therapeutic agents |
Robert Lee Benefiel, John W. Clarke, Robert J. Morff, Peter L. Oren |
1991-01-01 |
| 4968303 |
Hypodermic syringe holder |
John W. Clarke |
1990-11-06 |
| 4649042 |
Rumen delivery device |
Robert C. Davis, John W. Gibson, Daniel S. Skinner, Jr., Timothy E. Dearth |
1987-03-10 |
| 4573967 |
Vacuum vial infusion system |
William W. Hargrove, Michael J. Akers, Charles R. Sperry |
1986-03-04 |
| 4534758 |
Controlled release infusion system |
Michael J. Akers, William W. Hargrove, Charles R. Sperry |
1985-08-13 |
| 4465471 |
Intravenous administration system for dry medicine |
William W. Hargrove |
1984-08-14 |
| 4415085 |
Dry pharmaceutical system |
John W. Clarke |
1983-11-15 |
| D262746 |
Animal feeder |
— |
1982-01-19 |