Year in Patents

Patents Granted in 1993

Landmark US patents granted in 1993 — explained in plain English. The inventions, the assignees, and what each one actually protects.

Granted in 1993

7 patents

US 5210015 · 1993 · Hoffmann La Roche Inc

How an Enzyme Helps Find Specific DNA in a Sample

US 5273995 · 1993 · Warner Lambert Co LLC

How a Cholesterol-Lowering Drug Molecule Was Patented

US 5191573 · 1993

How Digital Media Purchases and Downloads Work

US 5199424 · 1993

How CPAP Machines Gradually Increase Air Pressure for Sleeping Patients

US 5176995 · 1993 · Hoffmann La Roche Inc

Using PCR to Detect Viruses in Blood and Tissue Samples

US 5272135 · 1993 · Chiron Ophthalmics Inc

Preventing Protein Damage with Extra Methionine

consumer electronics

US 5181252 · 1993 · Bose Corp

How Bose Prevents Noise-Canceling Headphones From Breaking During Loud Sounds

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